Spring bed-bottom



(No Model.)

J. 0. HU BINGER. SPRING BED BOTTOM..

Patented Aug. 30, 1881'.

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N. PETERS. Pnowuuw u har. Wumn m. D. C.

NrrEn STATES PATENT Erica.

JOHN C. HUBINGER, OF NEW HAVEN, CONNECTICUT.

SPRING BED-BOTTOM.

SPECIFICATION forming part of Letters Patent No. 246,314, dated August30, 1881.

Application filed April 21, 1881.

To all whom it may concern Be it known that I, JOHN C. HUBINGER, of NewHaven, in the county of New Haven and State of Connecticut, haveinvented a new and useful Improvement in Spring Bed-Bottoms; and Ihereby declare the following,when taken in connection with theaccompanying drawings and the letters of reference marked thereon, to bea full, clear, and exact description of the same.

The object of my invention is a bed-botttom which is extensible andretractile, and can be narrowed up and made to occupy less room forconvenience in handling and in transportation, as represented in thedrawings.

Figure l isatop view; Fig. 2, an end view. Fig. 3 is a view of thetransverse diagonal iraine, springs omitted; and Fig. 4 is a view of thefolded frame.

To enable others to make my improved bedbottom, so that it can bebrought into a narrow compass, as contemplated, I will describe it infull.

This invention relates to an improvement in that class of bed-bottomswhich are composed of a series of transverse diagonal slats pivotedtogether so that they will turn, as shown in Figs. 3 and 4, andhavingcoiled conical springs arranged on said slats, so that the frame may befolded into a small space, as hereinafter more fully set forth.

A A A represent the transverse diagonal slats, which are cut and made inrequisite length, and usually made of metal or other suitable material.Holes are made in said slats at equal distance apart from each other,and the slats are crossed diagonally, as shown in Fig. 3, and thenpivoted together at a a a. Said pivots pass through the slats and areconnected to the springs C O C, as shown in Fig. 2.

The longitudinal end bars, A and A are two end pieces equal in lengthand slotted at d to pivot D. These bars work independently (No model.)

of each other, whenever said frame is closed or opened. The slots arecutin such size that they will slide freely over pivot D. The bars areconnected to the frame A A A at pivot a, also at D, which is the centerof the bed-bottom.

Fig. 2 represents an end view when the bedbottom is folded together, andillustrates the bottom arrangements of the said transverse diagonalslats, which are exactly the same as in Fig. 1, (upper view.)

B B B is a view of the bottom slats closed. 11 I) b are pivots whichpass through said slats and are connected to springs C C C. The upperslats, A A A, and pivots a a a, which pass through the slats, areexactly arranged to operate as the lower frame.

0 C C are the common coiled springs which are used for bed-bottoms, andare attached to the slats as represented in Fig. 2. The springs areconnected together by the slats, and as a consequence of thearrangements of the said springs all the slats run diagonally, exceptthe end bars, as shown in Fig. 1.

I am well aware that spring bed-bottoms have been made to fold and to berolled together; but

What I claim as my invention, and desire to secure by Letters Patent,is-

In a spring bed-bottom, the combination of the transverse diagonal slatsA A A, consistin g of the end pieces, made in equal length, A and A,connected to slat A and at pivot D, the said end bars being slotted at dand made to slide on pivot D, and conical springs arranged on saidtransverse diagonal slats,sa-id springs C C 0 being connected by thediagonla slats on top and at the bottom, substantially as and for thepurpose described.

JOHN C. HUBINGER.

Witnesses:

GEORGE N. ALLING, FRANK W. FRISBIE.

